We have removed the sling from our tub and have moved M to the side where she leans up. I think it might be time to have her sit up in it, though! It made me wonder, when do we take the baby tub out completely?

We use this tub: http://www.amazon.com/The-First-Years-Infant-Toddler/dp/B000067EH7/ref=sr_1_1?ie=UTF8&qid=1354563528&sr=8-1&keywords=baby+tub